Samuelson - Popular Science Review Volume 13 - paperback or softback - X555z

Payton - Cornish Studies Volume 13 - New paperback or softback - X555z

Hessler - Junior Science Volume 2 - paperback or softback - X555z

American Association - Science Volume 14 - paperback or softback - X555z

American Association - Science Volumes 1-3 - paperback or softback - X555z

Gateway - Science Volume 9 - New paperback or softback - 11 - X555z

Samuelson - Popular Science Review Volume 10 - paperback or softback - X555z

Anonymous - Popular Science Review Volume 14 - paperback or softback - X555z